Countersunk cap screw(Coarse Stainless steel Unplated 5 X 25(P=0.8 Pitch 0.8

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■Hex Socket Countersunk Head Bolt -JIS B 1194-
The countersunk head profile allows use in applications where protrusion is a concern. It provides greater clamping force than slotted bolts. Like hex socket button head bolts, the hex socket size is slightly smaller than that of standard hex socket head cap screws. Also known as a countersunk cap screw.
＜Features＞ A bolt with a hexagonal socket in a cylindrical head. Tightening is performed using a hex bar wrench (Allen wrench). Although classified as a bolt, it is most commonly used without a nut. Also referred to as a cap screw or socket screw. Unlike open-end spanners or wrenches used to tighten hex bolts, which require clearance space around the work area, a hex bar wrench requires no such space. This makes hex socket head cap screws ideal for work in confined spaces and for reducing the overall size of machinery. Their appearance has also led to increasing use in design-oriented applications.
＜Applications＞ Widely used for their benefits including space-saving contributions to equipment miniaturization and high clamping force. They are particularly prevalent in machinery and electrical components.

Countersunk Bolt
Cap Bolt
Pitch Size List

• Countersunk cap screw (coarse
• Nominal diameter (d): M5
• Length (L): 25
• Pitch: 0.8
• Head diameter (dk): Nominal 10, Tolerance 0, -0.36
• Head height (k): 2.66~2.80
• Hex socket width across flats (s): 3.02~3.08
• Hex socket depth (t): 2.05~2.30